Hair brush



FIG. 1 is a front view of a hair brush showing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a front and left side perspective view thereof; and,

FIG. 7 is a rear and right side perspective view thereof. 

CLAIM The ornamental design for a hair brush, as shown and described. 